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Finding the Fourth Proportional to 461,755, 637,327.98 and 270,829.90

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Solution

The fourth proportional to 461,755, 637,327.98 and 270,829.90 is: 373,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,755 : 637,327.98 = 270,829.90 : x
  2. Step 2: Convert to fraction form
    461,755/637,327.98 = 270,829.90/x
  3. Step 3: Cross multiply
    461,755x = 637,327.98 × 270,829.90
  4. Step 4: Simplify right side
    461,755x = 172,607,473,090.60
  5. Step 5: Solve for x
    x = 172,607,473,090.60/461,755
  6. Step 6: Final answer
    x = 373,807.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.